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    Carmelics

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    It is not the case that Biological reserves should be as large as possible

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    Reasons For

    2 perspectives
    Reason for 1 of 2
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    • 1.Island biogeography theory predicts species richness but does not predict which species persist, allowing large reserves to favor generalists over rare specialists.
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    • 2.Conservation goals require maximizing persistence of threatened species, not maximizing total species counts.
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    • 3.Therefore, multiple smaller reserves strategically placed across heterogeneous habitats may better protect threatened specialists than one large reserve.
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    Reason for 2 of 2
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    • 1.The SLOSS debate (Simberloff & Abele, 1976) demonstrated empirically that several small reserves can collectively harbor more species than a single large reserve of equal total area.
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    • 2.Land acquisition for conservation operates under conditions of severe resource scarcity, making opportunity costs morally relevant to reserve design.
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    • 3.A blanket normative prescription to maximize reserve size ignores that resources spent on one large reserve preclude protecting multiple distinct bioregions.
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    Reasons Against

    1 perspective
    Reason against
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    • 1.Island biogeography theory models reserves as analogous to islands surrounded by anthropogenically transformed lands
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    • 2.Island biogeography theory predicts that larger areas support more species
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